72 COLREGS - Answer-International Regulations for the Prevention of Collisions at Sea
Rule 2: General Prudential Rule - Answer-All vessels should take any actions necessary to prevent collisions.
Rule 5: The Lookout Rule - Answer-Every vessel shall at all times maintain a proper lookout by si...
ASA 101 Navigation Exam Questions
and Answers
72 COLREGS - Answer-International Regulations for the Prevention of Collisions at Sea
Rule 2: General Prudential Rule - Answer-All vessels should take any actions necessary
to prevent collisions.
Rule 5: The Lookout Rule - Answer-Every vessel shall at all times maintain a proper
lookout by sight and hearing as well as by all means available appropriate in the
prevailing circumstances and conditions so as to make a full appraisal of the situation
and the risk of collision.
Rule 10: Traffic Separation Schemes - Answer-Navigation schemes used near ports to
keep traffic separated, basically providing separate 'lanes' for inbound and outbound
traffic.
Avoid crossing these if possible. If unavoidable, cross at as close to a right angle as
possible, as quickly as possible (use the engine).
Rule 12: Sailing Vessels, converging on opposite tacks - Answer-The vessel on the
starboard tack is the stand-on vessel.
Rule 12: Sailing Vessels, converging on same tack - Answer-The leeward vessel is the
stand-on vessel.
Rule 13: Overtaking - Answer-The overtaking vessel - even if a sailboat - is the give-
way vessel. A vessel is overtaking another if it is approaching within an arc of 22.5
degrees aft of each side of the beam of the overtaken vessel - so a region 135 degrees
wide centered on the beam facing aft.
Rule 14: Head on - Answer-For power boats, steer like driving so you pass on the port
side.
Rule 15: Crossing - Answer-When two power boats are neither meeting nor in an
overtaking situation, they are crossing. The vessel that has the other on its starboard
side is the give-way vessel.
Rule 16: Action by Give-way Vessel - Answer-The give-way vessel should take early
and substantial action to keep well clear of the other vessel.
Rule 17: Action by Stand-on Vessel - Answer-The stand-on vessel should maintain
course and speed. However, if the give-way vessel does not take action, the stand-on
may take action, and must if there is a risk of collision.
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